ADSP-21369KBPZ-3A Analog Devices Inc, ADSP-21369KBPZ-3A Datasheet - Page 43

• Manufacturer Part Number: ADSP-21369KBPZ-3A
• Description: IC,DSP,32-BIT,CMOS,BGA,256PIN,PLASTIC
• Manufacturer: Analog Devices Inc
• Series: SHARC®r
• Type: Floating Pointr

Specifications of ADSP-21369KBPZ-3A

• Interface: DAI, DPI
• Clock Rate: 400MHz
• Non-volatile Memory: ROM (768 kB)
• On-chip Ram: 256kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 256-BGA Exposed Pad, 256-eBGA, 256-HBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: ADZS-21369-EZLITE - KIT EVAL EZ LITE ADDS-21369
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

S/PDIF Transmitter Input Data Timing
The timing requirements for the input port are given in
Table
routed to the DAI_P20–1 pins using the SRU. Therefore, the
timing specifications provided below are valid at the
DAI_P20–1 pins.
Table 37. S/PDIF Transmitter Input Data Timing
1
Oversampling Clock (TxCLK) Switching Characteristics
The S/PDIF transmitter has an oversampling clock. This TxCLK
input is divided down to generate the biphase clock.
Table 38. Oversampling Clock (TxCLK) Switching Characteristics
Parameter
Timing Requirements
t
t
t
t
t
t
t
t
Parameter
TxCLK Frequency for TxCLK = 384 × FS
TxCLK Frequency for TxCLK = 256 × FS
Frame Rate (FS)
DATA, SCLK, and FS can come from any of the DAI pins. SCLK and FS can also come via PCG or SPORTs. PCG’s input can be either CLKIN or any of the DAI pins.
SISFS
SIHFS
SISD
SIHD
SISCLKW
SISCLK
SITXCLKW
SITXCLK
1
1
1
1
37. Input signals SCLK, frame sync (FS), and SDATA are
FS Setup Before SCLK Rising Edge
FS Hold After SCLK Rising Edge
SDATA Setup Before SCLK Rising Edge
SDATA Hold After SCLK Rising Edge
Clock Width
Clock Period
Transmit Clock Width
Transmit Clock Period
DAI_P20–1
DAI_P20–1
DAI_P20–1
DAI_P20–1
(SDATA)
(TxCLK)
(SCLK)
(FS)
t
SITXCLKW
Figure 33. S/PDIF Transmitter Input Timing
SAMPLE EDGE
Rev. E | Page 43 of 60 | July 2009
t
SISCLKW
t
SISFS
Min
t
SISD
t
SISCLK
t
SITXCLK
ADSP-21367/ADSP-21368/ADSP-21369
Min
3
3
3
3
36
80
9
20
Max
Oversampling Ratio × FS <= 1/t
49.2
192.0
t
t
SIHFS
SIHD
Max
SITXCLK
Unit
ns
ns
ns
ns
ns
ns
ns
ns
Unit
MHz
MHz
kHz